﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using System.Runtime.InteropServices;

namespace Lamex.mMES.UI
{
    public partial class frmMES_Operation_AnimateWindow : DevExpress.XtraEditors.XtraForm
    {
        int pX, pY;

        /// <summary>
        /// 窗体动画函数
        /// </summary>
        /// <param name="hwnd">指定产生动画的窗口的句柄</param>
        /// <param name="dwTime">指定动画持续的时间</param>
        /// <param name="dwFlags">指定动画类型，可以是一个或多个标志的组合。</param>
        /// <returns></returns>
        [DllImport("user32")]
        private static extern bool AnimateWindow(IntPtr hwnd, int dwTime, int dwFlags);

        //下面是可用的常量，根据不同的动画效果声明自己需要的

        private const int AW_HOR_POSITIVE = 0x0001;//自左向右显示窗口，该标志可以在滚动动画和滑动动画中使用。使用AW_CENTER标志时忽略该标志
        private const int AW_HOR_NEGATIVE = 0x0002;//自右向左显示窗口，该标志可以在滚动动画和滑动动画中使用。使用AW_CENTER标志时忽略该标志
        private const int AW_VER_POSITIVE = 0x0004;//自顶向下显示窗口，该标志可以在滚动动画和滑动动画中使用。使用AW_CENTER标志时忽略该标志
        private const int AW_VER_NEGATIVE = 0x0008;//自下向上显示窗口，该标志可以在滚动动画和滑动动画中使用。使用AW_CENTER标志时忽略该标志该标志
        private const int AW_CENTER = 0x0010;//若使用了AW_HIDE标志，则使窗口向内重叠；否则向外扩展
        private const int AW_HIDE = 0x10000;//隐藏窗口
        private const int AW_ACTIVE = 0x20000;//激活窗口，在使用了AW_HIDE标志后不要使用这个标志
        private const int AW_SLIDE = 0x40000;//使用滑动类型动画效果，默认为滚动动画类型，当使用AW_CENTER标志时，这个标志就被忽略
        private const int AW_BLEND = 0x80000;//使用淡入淡出效果

        public frmMES_Operation_AnimateWindow()
        {
            InitializeComponent();
        }

        private void frmMES_Operation_AnimateWindow_Load(object sender, EventArgs e)
        {
            frmMES_Operation_Function_Demo.fm = this;

            displayImageToPictureBox();

            //int x = Screen.PrimaryScreen.WorkingArea.Right - this.Width;
            //int y = Screen.PrimaryScreen.WorkingArea.Bottom - this.Height;

            this.Location = new Point(pX, pY);
            AnimateWindow(this.Handle, 1000, AW_SLIDE | AW_ACTIVE | AW_VER_NEGATIVE);
            //AnimateWindow(this.Handle, 1000, AW_BLEND | AW_ACTIVE | AW_VER_NEGATIVE);
        }

        private void frmMES_Operation_AnimateWindow_FormClosing(object sender, FormClosingEventArgs e)
        {
            AnimateWindow(this.Handle, 1000, AW_BLEND | AW_HIDE);
        }

        private void frmMES_Operation_AnimateWindow_FormClosed(object sender, FormClosedEventArgs e)
        {
            frmMES_Operation_Function_Demo.fm = null;
        }

        private void frmMES_Operation_AnimateWindow_MouseClick(object sender, MouseEventArgs e)
        {
            this.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            displayImageToPictureBox();
        }

        private void displayImageToPictureBox()
        {
            if (button1.Text == "显示效果样例")
            {
                this.BackgroundImage = Image.FromFile(frmMES_Operation_Function_Demo.strPic + "_效果.png");
                button1.Text = "显示导航菜单";
            }
            else
            {
                this.BackgroundImage = Image.FromFile(frmMES_Operation_Function_Demo.strPic + "_菜单.png");
                button1.Text = "显示效果样例";
            }

            this.Width = BackgroundImage.Width;
            this.Height = BackgroundImage.Height;

            pX = frmMES_Operation_Function_Demo.X;
            pY = frmMES_Operation_Function_Demo.Y;

            if (pX + this.Width > Screen.PrimaryScreen.WorkingArea.Right)
            {
                pX = pX - this.Width;
            }
            if (pY + this.Height > Screen.PrimaryScreen.WorkingArea.Bottom)
            {
                pY = pY - this.Height;
            }
        }
    }
}